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Twitter is without a doubt the best way to share and discover what is happening right now.

Learn Spanish free online, learn German free, study English online and other foreign languages. Practice vocabulary in many languages with Vocabulix

Providing researchers with access to millions of scientific documents from journals, books, series, protocols and reference works.

Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 150 billion archived web pages.

Translation by Babylon is a free online version of Babylon

Online shopping from the earth's biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & person...

Free online language dictionaries for your translations: english, italian, spanish, german, french ...

San Francisco - User Reviews and Recommendations of Top Restaurants, Shopping, Nightlife, Entertainment, Services and More at Yelp

PONS.eu - Online dictionary for the languages: German-English, English-German, English-French, French-English, English-Spanish, Spanish-English, English-Polish, Polish-English, English-Russian, Russian-English, English-Italian, Italian-English

Resources for the Future improves environmental and natural resource policymaking worldwide through objective social science research of the highest caliber.

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...